Bonham Internal Drainage October 16th, 1974 Report - Ald. Keryluk - cont'd. Page - 2 ~ 2. Hyde Creek: (a) Looking at Hyde Creek at the Cedar Ditch confluence at high water stage in the DeBoville Slough, natural gravity flow is not possible without.a backwater effect on the Cedar Drive Ditch as well as Hyde and Smiling Creeks (Cedar Drive Ditch will be corrected, as proposed, - by raising Cedar Drive approximately 3 feet from the junction of Hyde Creek to the Whyte residence). To prevent flooding from Hyde - Creek to adjacent houses in the vicinity of the Lincoln Park School, the Report proposes that the dyke along Hyde Creek be raised a -minimum of 2 feet above the highest calculated backwater elevation for an approximate distance of 1,100 feet (Fig. 4944-28 in the Report) through the dedicated.Nature Area with a'12 foot surface if vehicle access is required; 5 foot surface if vehicle access is not required. Introduction of heavy construction equipment, removal of ‘treés to - make way for a higher and wider. dyke would so ravage this portion of the Nature Area that the end.result would not be acceptable to the eitizens of Port Coquitlam. Recommendation: This portion of the drainage system must be re- designed to avoid the backwater build-up as proposed in the present ‘plan. (b). Hyde Creek at freshet has been functioning at capacity for several years. It is not inconceivable that while construction is underway to correct flooding in the largely rural area along the Pitt River, Hyde Creek could run rampant .in the heart of the residential north area of Port Coquitlam. Recommendation: An immediate G.V.R.D. study of -the run-off of the South slope of Burke Mountain followed by corrective measures through Provincial funding to avert major flooding in Port Coquitlam by waters originating outside our boundaries. wa ee eeont'd. Pave - 3 =